Writing instrument



FIG. 1 is a front view of a writing instrument showing my new design;

FIG. 2 is a side view thereof which is a mirror image of the opposite side thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a bottom view thereof; and

FIG. 6 is a side perspective view thereof;

FIG. 7 is a front view of a first alternate embodiment of a writing instrument showing my new design;

FIG. 8 is a side view thereof which is a mirror image of the opposite side thereof;

FIG. 9 is a top view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a bottom view thereof; and,

FIG. 12 is a side perspective view thereof, which is a mirror image of the opposite side perspective view. 

The ornamental design for a writing instrument, as shown and described. 